Finding the Fourth Proportional to 5,785,727.95, 8,679,064.20 and 2,905,613.55
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Solution
The fourth proportional to 5,785,727.95, 8,679,064.20 and 2,905,613.55 is: 4,358,657.50
Step by Step Solution
- Step 1: Write the proportion equation
5,785,727.95 : 8,679,064.20 = 2,905,613.55 : x - Step 2: Convert to fraction form
5,785,727.95/8,679,064.20 = 2,905,613.55/x - Step 3: Cross multiply
5,785,727.95x = 8,679,064.20 × 2,905,613.55 - Step 4: Simplify right side
5,785,727.95x = 25,218,006,504,661.41 - Step 5: Solve for x
x = 25,218,006,504,661.41/5,785,727.95 - Step 6: Final answer
x = 4,358,657.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.